<template>
  <a-modal
    title="新建规则"
    :width="640"
    :visible="visibleAdd"
    :confirmLoading="loading"
    @ok="() => { $emit('ok') }"
    @cancel="() => { $emit('cancel') }"
  >
    <a-spin :spinning="loading">
      <a-form :form="form" v-bind="formLayout">
        <a-form-item label="描述">
          <a-input v-decorator="['description', {rules: [{required: true, message: '请输入'}]}]" />
        </a-form-item>
        <a-form-item label="内容">
          <a-input v-decorator="['content', {rules: [{required: true, message: '请输入'}]}]" />
        </a-form-item>
      </a-form>
    </a-spin>
  </a-modal>
</template>

<script>
  import pick from 'lodash.pick'

  // 表单字段
  const fields = ['description', 'id']

  export default {
    props: {
      visibleAdd: {
        type: Boolean,
        required: true
      },
      loading: {
        type: Boolean,
        default: () => false
      },
      model: {
        type: Object,
        default: () => null
      }
    },
    data () {
      this.formLayout = {
        labelCol: {
          xs: { span: 24 },
          sm: { span: 7 }
        },
        wrapperCol: {
          xs: { span: 24 },
          sm: { span: 13 }
        }
      }
      return {
        form: this.$form.createForm(this)
      }
    },
    created () {
      console.log('custom modal created')

      // 防止表单未注册
      fields.forEach(v => this.form.getFieldDecorator(v))

      // 当 model 发生改变时，为表单设置值
      this.$watch('model', () => {
        this.model && this.form.setFieldsValue(pick(this.model, fields))
      })
    }
  }
</script>
